/*
 * Copyright 1999-2017 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package studio.raptor.sqlparser.ast.statement;

import java.util.ArrayList;
import java.util.List;
import studio.raptor.sqlparser.ast.SQLExpr;
import studio.raptor.sqlparser.ast.SQLObject;
import studio.raptor.sqlparser.ast.SQLObjectImpl;
import studio.raptor.sqlparser.visitor.SQLASTVisitor;

public class SQLAlterTableAddPartition extends SQLObjectImpl implements SQLAlterTableItem {

  private final List<SQLObject> partitions = new ArrayList<SQLObject>(4);
  private boolean ifNotExists = false;
  private SQLExpr partitionCount;

  public List<SQLObject> getPartitions() {
    return partitions;
  }

  public void addPartition(SQLObject partition) {
    if (partition != null) {
      partition.setParent(this);
    }
    this.partitions.add(partition);
  }

  public boolean isIfNotExists() {
    return ifNotExists;
  }

  public void setIfNotExists(boolean ifNotExists) {
    this.ifNotExists = ifNotExists;
  }

  public SQLExpr getPartitionCount() {
    return partitionCount;
  }

  public void setPartitionCount(SQLExpr partitionCount) {
    if (partitionCount != null) {
      partitionCount.setParent(this);
    }
    this.partitionCount = partitionCount;
  }

  @Override
  protected void accept0(SQLASTVisitor visitor) {
    if (visitor.visit(this)) {
      acceptChild(visitor, partitions);
    }
    visitor.endVisit(this);
  }
}
